All interior angles equal to 180 just add the two angles you have and subtract it from 180 to get the final angle
D
uses the the formula y=mx+b and m is the slope. b is the y intercept.
Answer:
R = 4cm
Step-by-step explanation:
V = π(R)²h = 480π
Divide by π
(R)²h = 480
Substitute h with 30
30*(R)² = 480
Divide by 30
(R)² = 16
Square root
R = 4cm
We do not accept R= -4 because it's a length, so it must be positive.
Answer:
<em><u>√</u></em><em><u>-32 imaginary numbers</u></em>

<h3>4√2i is the right answer.</h3>